wallet-core: return purchase information in refund if available

packages/taler-util/src/transactions-types.ts

@@ -545,17 +545,31 @@ export interface RefundInfoShort {
   amountRaw: AmountString;
 }
 
+/**
+ * Summary information about the payment that we got a refund for.
+ */
+export interface RefundPaymentInfo {
+  summary: string;
+  summary_i18n?: InternationalizedString;
+  /**
+   * More information about the merchant
+   */
+  merchant: MerchantInfo;
+}
+
 export interface TransactionRefund extends TransactionCommon {
   type: TransactionType.Refund;
 
-  // ID for the transaction that is refunded
-  refundedTransactionId: string;
-
   // Amount that has been refunded by the merchant
   amountRaw: AmountString;
 
   // Amount will be added to the wallet's balance after fees and refreshing
   amountEffective: AmountString;
+
+  // ID for the transaction that is refunded
+  refundedTransactionId: string;
+
+  paymentInfo: RefundPaymentInfo | undefined;
 }
 
 export interface TransactionTip extends TransactionCommon {

packages/taler-util/src/wallet-types.ts

@@ -1518,7 +1518,6 @@ export interface WithdrawTestBalanceRequest {
   forcedDenomSel?: ForcedDenomSel;
 }
 
-
 /**
  * Request to the crypto worker to make a sync signature.
  */
@@ -1590,36 +1589,6 @@ export const codecForWithdrawTestBalance =
       .property("bankAccessApiBaseUrl", codecForString())
       .build("WithdrawTestBalanceRequest");
 
-export interface ApplyRefundResponse {
-  contractTermsHash: string;
-
-  transactionId: string;
-
-  proposalId: string;
-
-  amountEffectivePaid: AmountString;
-
-  amountRefundGranted: AmountString;
-
-  amountRefundGone: AmountString;
-
-  pendingAtExchange: boolean;
-
-  info: OrderShortInfo;
-}
-
-export const codecForApplyRefundResponse = (): Codec<ApplyRefundResponse> =>
-  buildCodecForObject<ApplyRefundResponse>()
-    .property("amountEffectivePaid", codecForAmountString())
-    .property("amountRefundGone", codecForAmountString())
-    .property("amountRefundGranted", codecForAmountString())
-    .property("contractTermsHash", codecForString())
-    .property("pendingAtExchange", codecForBoolean())
-    .property("proposalId", codecForString())
-    .property("transactionId", codecForString())
-    .property("info", codecForOrderShortInfo())
-    .build("ApplyRefundResponse");
-
 export interface SetCoinSuspendedRequest {
   coinPub: string;
   suspended: boolean;
@@ -1658,11 +1627,11 @@ export interface StartRefundQueryRequest {
   transactionId: string;
 }
 
-export const codecForStartRefundQueryRequest = (): Codec<StartRefundQueryRequest> =>
+export const codecForStartRefundQueryRequest =
-  buildCodecForObject<StartRefundQueryRequest>()
+  (): Codec<StartRefundQueryRequest> =>
-    .property("transactionId", codecForString())
+    buildCodecForObject<StartRefundQueryRequest>()
-    .build("StartRefundQueryRequest");
+      .property("transactionId", codecForString())
-
+      .build("StartRefundQueryRequest");
 
 export interface PrepareTipRequest {
   talerTipUri: string;

packages/taler-wallet-core/src/operations/pay-merchant.ts

@@ -30,7 +30,6 @@ import {
   AbsoluteTime,
   AmountJson,
   Amounts,
-  ApplyRefundResponse,
   codecForAbortResponse,
   codecForMerchantContractTerms,
   codecForMerchantOrderRefundPickupResponse,
@@ -39,7 +38,6 @@ import {
   codecForProposal,
   CoinDepositPermission,
   CoinRefreshRequest,
-  CoinStatus,
   ConfirmPayResult,
   ConfirmPayResultType,
   constructPayUri,
@@ -53,20 +51,15 @@ import {
   Logger,
   makeErrorDetail,
   makePendingOperationFailedError,
-  MerchantCoinRefundFailureStatus,
   MerchantCoinRefundStatus,
-  MerchantCoinRefundSuccessStatus,
   MerchantContractTerms,
   MerchantPayResponse,
-  MerchantRefundResponse,
   NotificationType,
   parsePayUri,
-  parseRefundUri,
   parseTalerUri,
   PayCoinSelection,
   PreparePayResult,
   PreparePayResultType,
-  PrepareRefundResult,
   randomBytes,
   RefreshReason,
   StartRefundQueryForUriResponse,

packages/taler-wallet-core/src/operations/transactions.ts

@@ -30,6 +30,7 @@ import {
   PaymentStatus,
   PeerContractTerms,
   RefundInfoShort,
+  RefundPaymentInfo,
   TalerErrorCode,
   TalerProtocolTimestamp,
   Transaction,
@@ -64,6 +65,7 @@ import {
   PeerPushPaymentIncomingStatus,
   PeerPullPaymentInitiationRecord,
   RefundGroupRecord,
+  ContractTermsRecord,
 } from "../db.js";
 import { InternalWalletState } from "../internal-wallet-state.js";
 import { PendingTaskType } from "../pending-types.js";
@@ -648,7 +650,18 @@ function buildTransactionForManualWithdraw(
 
 function buildTransactionForRefund(
   refundRecord: RefundGroupRecord,
+  maybeContractData: WalletContractData | undefined,
 ): Transaction {
+  let paymentInfo: RefundPaymentInfo | undefined = undefined;
+
+  if (maybeContractData) {
+    paymentInfo = {
+      merchant: maybeContractData.merchant,
+      summary: maybeContractData.summary,
+      summary_i18n: maybeContractData.summaryI18n,
+    };
+  }
+
   return {
     type: TransactionType.Refund,
     amountEffective: refundRecord.amountEffective,
@@ -666,6 +679,7 @@ function buildTransactionForRefund(
     extendedStatus: ExtendedStatus.Done,
     frozen: false,
     pending: false,
+    paymentInfo,
   }
 }
 
@@ -1022,7 +1036,23 @@ export async function getTransactions(
         if (shouldSkipCurrency(transactionsRequest, currency)) {
           return;
         }
-        transactions.push(buildTransactionForRefund(refundGroup))
+        let contractData: WalletContractData | undefined = undefined;
+        const purchaseTx = await tx.purchases.get(refundGroup.proposalId);
+        if (purchaseTx && purchaseTx.download) {
+          const download = purchaseTx.download;
+          const contractTermsRecord = await tx.contractTerms.get(
+            download.contractTermsHash,
+          );
+          if (!contractTermsRecord) {
+            return;
+          }
+          contractData = extractContractData(
+            contractTermsRecord?.contractTermsRaw,
+            download.contractTermsHash,
+            download.contractTermsMerchantSig,
+          );
+        }
+        transactions.push(buildTransactionForRefund(refundGroup, contractData));
       });
 
       tx.refreshGroups.iter().forEachAsync(async (rg) => {

packages/taler-wallet-core/src/wallet-api-types.ts

@@ -35,9 +35,6 @@ import {
   AddExchangeRequest,
   AddKnownBankAccountsRequest,
   ApplyDevExperimentRequest,
-  ApplyRefundFromPurchaseIdRequest,
-  AcceptRefundRequest,
-  ApplyRefundResponse,
   BackupRecovery,
   BalancesResponse,
   CancelAbortingTransactionRequest,
@@ -83,13 +80,13 @@ import {
   PreparePeerPushCredit,
   PreparePeerPushCreditResponse,
   PrepareRefundRequest,
-  PrepareRefundResult,
   PrepareTipRequest,
   PrepareTipResult,
   RecoveryLoadRequest,
   RetryTransactionRequest,
   SetCoinSuspendedRequest,
   SetWalletDeviceIdRequest,
+  StartRefundQueryForUriResponse,
   StartRefundQueryRequest,
   TestPayArgs,
   TestPayResult,
@@ -110,7 +107,6 @@ import {
   WithdrawFakebankRequest,
   WithdrawTestBalanceRequest,
   WithdrawUriInfoResponse,
-  StartRefundQueryForUriResponse,
 } from "@gnu-taler/taler-util";
 import { AuditorTrustRecord, WalletContractData } from "./db.js";
 import {